Ocean Jasper
Orbicular Jasper (variety of Chalcedony/Quartz, SiO2)
sedimentary
Category
Metamorphic, Likely Sedimentary With Quartz Veins
Browse metamorphic, likely sedimentary with quartz veins specimens identified by the Rock Identifier community.
Granite Pebble
Granite (Phaneritic Quartz-Feldspar Rock)
igneous
Banded Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Red Jasper (Skull Carving)
Jasper, a cryptocrystalline variety of Quartz (SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Yellow Chalcedony (Agate)
Silicon Dioxide (SiO2)
mineral
Yellow Quartz
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Quartz (SiO2) with Fuchsite inclusions
Mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Jasper (Iron-stained Chert)
Silicon Dioxide (SiO2)
sedimentary
Jade (likely Nephrite or Jadeite)
Nephrite (a variety of actinolite, Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (NaAlSi2O6)
Metamorphic rock (for Nephrite and some Jadeite); Mineral (for Jadeite)
Quartz pebble with surface markings
Silicon Dioxide (SiO2)
mineral
Dragon Blood Jasper
Epidote with Red Jasper inclusions (SiO2 and Ca2(Al,Fe)3(SiO4)3(OH))
metamorphic
Quartz in Host Rock
Silicon Dioxide (SiO2) in Rhyolite or Granite matrix
igneous
Gneiss (High-Grade Metamorphic Rock)
Gneiss (primarily composed of Quartz, Feldspar, and Mica/Amphiboles)
metamorphic
Strawberry Quartz
Silicon Dioxide (SiO2) with inclusions of Goethite or Hematite
Mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
Mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
Mineral
Quartzite
Quartzite (SiO2)
metamorphic
Quartz River Pebbles
Silicon Dioxide (SiO2)
sedimentary
Rhyolite
Rhyolite
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Ferruginous Siltstone or Mudstone
Ferruginous Siltstone / Goethitic Sandstone
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Water and Silt (Sedimentary Environment)
Suspended Sediment / H2O (dihydrogen monoxide)
sedimentary
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Quartzite (Ferruginous)
Recrystallized Quartz (SiO2) with Iron Oxide inclusions
metamorphic
Variscite in Matrix
Variscite (AlPO4 · 2H2O)
mineral
Sandstone
Arenite (primarily SiO2)
sedimentary
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Rough Quartz (Alluvial Pebbles)
Silicon Dioxide (SiO2)
mineral
River Rock (Basalt/Greywacke pebbles)
Fluvial gravel primarily composed of Mafic Volcanic Rock (Basalt) or Lithic Sandstone (Greywacke)
igneous and sedimentary
Chalcedony (Agate/Chert)
Microcrystalline Quartz (SiO2)
sedimentary
Banded Agate (with possible Chalcedony layers)
Silicon dioxide (SiO2)
sedimentary
Ferruginous Quartz
Silicon Dioxide (SiO2) with Limonite/Hematite inclusions
Mineral
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary